Best AI writing assistants
Grammar checkers, paraphrasers, AI copywriting platforms and fiction-writing tools, from free browser extensions to enterprise content platforms and open-source linters.
27 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All AI writing assistants
- Alternatives to Grammarly
The best-known grammar and tone checker, with AI drafting built into a browser extension and desktop apps.
Free plan + paidWeb, Windows, macOS, iOS, Android, Browser extension - Alternatives to LanguageTool
A multilingual grammar and style checker with an open-source core you can also run yourself.
Free plan + paidOpen sourceSelf-hostableWeb, Windows, macOS, iOS, Browser extension, Self-hosted - Alternatives to Harper
A free, open-source grammar checker that runs entirely on your device.
Open sourcemacOS, Windows, Linux, Browser extension - Alternatives to Jasper
An AI content platform for marketing teams, built around brand voice and reusable agents.
PaidWeb, Browser extension - Alternatives to Wordtune
An AI rewriting tool that offers alternative phrasings for each sentence, plus grammar and summaries.
Free plan + paidWeb, iOS, Browser extension - Alternatives to ProWritingAid
A style editor and manuscript analyser built for novelists and long-form writers.
Free plan + paidWeb, Windows, macOS, Browser extension - Alternatives to WRITER
An enterprise AI platform with its own models, agents and brand controls for large teams.
PaidWeb, Browser extension - Alternatives to QuillBot
A paraphrasing tool that grew into a suite of grammar, summarising and citation helpers.
Free plan + paidWeb, Browser extension, iOS, Android - Alternatives to Sudowrite
An AI writing partner built specifically for fiction, from brainstorming to full drafts.
PaidWeb - Alternatives to Paperpal
An AI writing and pre-submission checking tool for academics, from the Editage team.
Free plan + paidWeb, Browser extension - Alternatives to Copy.ai
- Alternatives to Linguix
A browser-based grammar checker and AI rewriter with typing shortcuts, priced below the big names.
Free plan + paidWeb, Browser extension - Alternatives to Novelcrafter
A novel-planning and writing workspace where you plug in the AI model of your choice.
PaidWeb - Alternatives to Rytr
A low-cost AI writer for short-form copy that now doubles as a relationship and follow-up assistant.
Free plan + paidWeb, Browser extension - TrAlternatives to Trinka
A grammar and language checker tuned for academic and technical English.
Free plan + paidWeb, Windows, Browser extension - Alternatives to Jenni AI
An AI writing editor for essays and research papers, with autocomplete and citations.
Free plan + paidWeb, Browser extension - Alternatives to Type
- WrAlternatives to Writefull
Academic language feedback and AI writing widgets inside Word and Overleaf.
Free plan + paidWeb, Windows, macOS - Alternatives to Anyword
An AI copywriter for marketers that predicts how well each version of copy will perform.
PaidWeb, Browser extension - Alternatives to HyperWrite
An AI writing assistant and Chrome extension with autocomplete, research and citations.
Free plan + paidWeb, Browser extension - Alternatives to Squibler
An AI book and screenplay writer that generates and edits full-length manuscripts.
Free plan + paidWeb - Alternatives to Vale
An open-source, command-line prose linter that enforces your own style guide.
Open sourcemacOS, Windows, Linux - Alternatives to Sapling
A writing assistant and language API aimed at customer-facing teams, with a self-hosted option.
Free plan + paidSelf-hostableWeb, Browser extension, Self-hosted - Alternatives to Hemingway Editor
A readability editor that colour-codes long sentences, adverbs and passive voice.
Free plan + paidWeb, Windows, macOS - Alternatives to Antidote
A desktop corrector, dictionaries and grammar guides for English and French, from Canada's Druide.
PaidWindows, macOS, Web, iOS, Android, Browser extension - Alternatives to neuroflash
A German AI marketing suite for copy, images and testing content against simulated audiences.
PaidWeb, Browser extension - Alternatives to Ginger
A long-running grammar checker and rephraser with apps for desktop, mobile and browsers.
Free plan + paidWindows, macOS, iOS, Android, Browser extension
Our picks by need
Best for most people
GrammarlyBest for a free option
HarperBest for open source
LanguageToolBest for self-hosting
SaplingBest for Mac
ProWritingAidBest for Windows
TrinkaBest for Linux
ValeBest for iPhone and Android
QuillBotPopular comparisons
Common questions
What are the best AI writing assistants?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading AI writing assistants right now are Grammarly, LanguageTool, Harper, Jasper and Wordtune.
Are there free AI writing assistants?
Yes. Grammarly (free plan + paid), LanguageTool (free plan + paid), Harper (open source), Wordtune (free plan + paid) and ProWritingAid (free plan + paid) have a free option, out of 19 free or freemium apps we track.
Which AI writing assistants are open source?
LanguageTool, Harper and Vale.